Transformers: Robots in Disguise
Season 1, Episode 37: Surprise Attack!
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The Decepticons discover the Autobot base and attacks to steal Cerebros.
All Episodes - Season 1
Episode 1
Battle Protocol!
Episode 2
An Explosive Situation
Episode 3
Bullet Train to the Rescue
Episode 4
Spychangers to the Rescue
Episode 5
The Hunt for Black Pyramid
Episode 6
The Secret of the Ruins
Episode 7
Sideburn's Obsession
Episode 8
Secret Weapon: D-5
Episode 9
Mirage's Betrayal
Episode 10
Skid-Z's Choice
Episode 11
Tow-Line Goes Haywire
Episode 12
The Ultimate Robot Warrior
Episode 13
Hope for the Future
Episode 14
The Decepticons
Episode 15
Commandos
Episode 16
Volcano
Episode 17
Attack from Outer Space
Episode 18
The Test
Episode 19
The Fish Test
Episode 20
Wedge's Short Fuse
Episode 21
Landfill
Episode 22
Sky-Byte Saves the Day
Episode 23
A Test of Metal
Episode 24
Ultra Magnus (1)
Episode 25
Ultra Magnus: Forced Fushion (2)
Episode 26
Lessons of the Past
Episode 27
The Two Faces of Ultra Magnus
Episode 28
Power to Burn!
Episode 29
Fortress Maximus (1)
Episode 30
Koji Gets His Wish (2)
Episode 31
A Friendly Contest
Episode 32
Peril from the Past
Episode 33
Maximus Emerges
Episode 34
The Human Element
Episode 35
Mystery of the Ultra Magnus
Episode 36
Mistaken Identity
Episode 37
Surprise Attack!
Episode 38
Galvatron's Revenge (1)
Episode 39
The Final Battle (2)